Journal
OPTICS LETTERS
Volume 40, Issue 18, Pages 4360-4363Publisher
OPTICAL SOC AMER
DOI: 10.1364/OL.40.004360
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- Russian Foundation for Basic Research (RFBR) [15-32-20234]
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A watt-level all-fiber laser radiating at the wavelength of 1.7 mu m in a continuous-wave regime was developed by using bismuth-doped high-germania optical fiber. A maximum slope efficiency of 33% with respect to the launched pump power was achieved. The dependencies of the slope efficiencies of bismuth-doped fiber laser versus the length of active fiber and reflectivity of the output mirror were obtained. (C) 2015 Optical Society of America
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